CN105980481A - Molded part for use in a portable electronic device - Google Patents
Molded part for use in a portable electronic device Download PDFInfo
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- CN105980481A CN105980481A CN201480075301.9A CN201480075301A CN105980481A CN 105980481 A CN105980481 A CN 105980481A CN 201480075301 A CN201480075301 A CN 201480075301A CN 105980481 A CN105980481 A CN 105980481A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
- C08L81/04—Polysulfides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/016—Additives defined by their aspect ratio
Abstract
A polymer composition containing a polyarylene sulfide, a disulfide compound, and inorganic fibers is provided. The polymer composition has an aspect ratio of from about 1.5 to about 10, wherein the aspect ratio is defined as the cross-sectional width of the fibers divided by the cross-sectional thickness of the fibers.
Description
Related application
This application claims the priority of the U.S.Provisional Serial 61/938222 submitted on February 11st, 2014, its
Full content is incorporated herein by.
Background of invention
Portable electric appts, such as notebook computer, mobile phone and personal digital assistant (PDA), generally includes molding
Parts.Such as, the housing of injection mo(u)lding is generally used to protect electric component, such as the signal of communication for receiving and/or launch
Antenna, display etc..Along with the increase of the demand for thinner equipment, therefore existing can be by for have a higher performance
It is molded as the demand of the plastic material of required configuration.A kind of such material is polyphenylene sulfide (" PPS "), and this is high performance
Polymer, is amenable to high heat, chemistry and mechanical stress.PPS is generally via paracide and alkali metal sulphide or alkali metal
The polymerization of sulfhydrate is formed, and is formed at end group and includes the polymer of chlorine.But, what conventional PPS compositions was frequently encountered by asks
Topic is, they comprise the chlorine from polymerization process residual volume.But, for portable electric appts, due to environmental considerations, exist
The chlorine of significant quantity is problematic.Eliminate the trial of existence of chlorine and be usually directed to use the higher molecular weight with low chlorine content
Polymer.Unfortunately, such polymer also has high melt viscosity, and this makes them be difficult to melt-processed and be molded as
Thin parts.Additionally, attempt to reduce melt viscosity to frequently result in substantially reducing and the increasing of warpage degree in parts of engineering properties
Add.
Therefore, currently exist for comprising the poly arylidene thio-ester with relatively low melt viscosity and low chlorine content, the most still
The needs of the moulding part of good engineering properties and low warpage degree are provided.
Summary of the invention
According to embodiment of the present invention, disclosing polymer composition, it comprises poly arylidene thio-ester, di-sulphide compounds
With the inorfil of the flakiness ratio with about 1.5-about 10, wherein, described flakiness ratio be defined as the cross-sectional width of fiber divided by
The tranverse sectional thickness of fiber.
Further feature and the aspect of the present invention will be illustrated in further detail below.
The brief description of accompanying drawing
Complete and the enforceable disclosure of the present invention, including optimal mode for a person skilled in the art,
More specifically it is set forth in the remainder of this specification, including reference accompanying drawing, wherein:
Fig. 1 can be used for the cross-sectional view of the embodiment of the injection-moulding device in the present invention；
Fig. 2 is the perspective view of an embodiment of the portable electric appts that can be formed according to the present invention；With
Fig. 3 is the perspective view of the portable electron device of Fig. 2 configuration to close.
Describe in detail
Skilled artisan understands that the discussion of the application is only the description of exemplary, and be not intended to limit
The broader aspect of the present invention.
It is said that in general, the present invention relates to moulding part, such as the housing for portable electric appts.Described parts contain
Comprise the polymer composition of poly arylidene thio-ester, described poly arylidene thio-ester can in the presence of di-sulphide compounds melt-processed.
It is not intended to be limited by theory, it is believed that disulphide can experience and glue to reduce its melt with the chain-breaking reaction initiateing poly arylidene thio-ester
Degree, it can cause the minimizing of fiber attrition, thus improve engineering properties.Due to the viscosity during this minimizing melt-processed
Ability, the poly arylidene thio-ester of relatively high molecular weight can be fed to extruder without difficulty.Use such high molecular
One advantage of polymer is that they are generally of low chlorinity.In this respect, obtained polymer composition can have
Having low-down chlorinity, this is the feature for portable electric appts particular importance.Such as, polymer composition can have
There are about 1200ppm or less, the most about 900ppm or less, in some embodiments 0-about 800ppm,
And the chlorinity of the most about 1-about 500ppm.
This polymer composition also comprises the inorfil of the cross-sectional dimension (dimention) with relatively flat, its
In they have about 1.5-about 10, the most about 2-about 8, and the width of the most about 3-about 5
Thickness rate (i.e. cross-sectional width is divided by tranverse sectional thickness).It has been found by the inventor that when using this with specific concentration
When planting smooth fiber, they can significantly improve the engineering properties of moulding part, and does not have base polymeric composition
Melt viscosity or the significant adverse effect of chlorinity.Described inorfil can account for polymer composition, such as, about 15 weights
Amount %-about 70 weight %, the most about 25% weight-about 65 weight %, and the most about
40 weight %-about 60 weight %.Poly arylidene thio-ester equally accounts for about 25 weight %-about 95 weight % of polymer composition,
About 30 weight %-about 80 weight % in some embodiments, and the most about 40 weight %-about 70 weights
Amount %.
Will be described in greater detail below now various embodiments of the present invention.
I. polymer composition
A. poly arylidene thio-ester
As it has been described above, polymer composition comprises at least one poly arylidene thio-ester, it usually stands relatively high temperature
And do not melt.Poly arylidene thio-ester (one or more) typically has a repetitive of following formula:
-[(Ar1)n-X]m-[(Ar2)i-Y]j-[(Ar3)k-Z]l-[(Ar4)o-W]p-
Wherein,
Ar1、Ar2、Ar3And Ar4It it is the independent sub-virtue unit of 6 to 18 carbon atoms；
W, X, Y and Z are selected from following independent divalent linker :-SO2-、-S-、-SO-、-CO-、-O-、-C(O)O-
Or the alkylidene radical of 1 to 6 carbon atom or alkylidene, wherein at least one in this linking group is-S-；With
N, m, i, j, k, l, o and p independently be 0,1,2,3 or 4, and condition is that their summation is not less than 2.
This Asia virtue unit Ar1、Ar2、Ar3And Ar4Can optionally replace or unsubstituted.Favourable arylene units is
Phenylene, biphenylene, naphthylene, anthracene and phenanthrene.Poly arylidene thio-ester is comprising usually more than about 30 moles of %, greater than about 50 moles %,
Or the (arylene sulfide) (-S-) unit of greater than about 70 moles of %.Such as, poly arylidene thio-ester can include that at least 85 moles of %'s is direct
It is connected to the thioether bond of two aromatic rings.In a specific embodiment, poly arylidene thio-ester is polyphenylene sulfide, determining herein
Justice is for comprising phenylene sulfide structure (C6H4–S)n(wherein n is the integer of 1 or bigger) is as its ingredient.
The synthetic technology that may be used for manufacturing poly arylidene thio-ester is commonly known in the art.By way of example, use
Material (such as, the alkali gold that offer hydrogen sulfur radical ion is provided can be included in organic amide solvent in the method manufacturing poly arylidene thio-ester
Belong to sulfide) react with dihalogenated aromatic compounds.Alkali metal sulphide it may be that such as, lithium sulfide, sodium sulfide, Potassium monosulfide.,
Rubidium sulfide, cesium sulfide or their mixture.When alkali metal sulphide is hydrate or aqueous mixture, alkali metal sulphide
Can process before polymerization according to dehydrating operations.Alkali metal sulphide can also produce in position.Additionally, it is a small amount of
Alkali metal hydroxide can include in the reaction to remove impurity or to make it react (such as, for being changed by such impurity
Become harmless material), such as alkali metals polysulfide or alkali metal thiosulfate, it can be with the least amount with alkali
Metal sulfide and exist.
Dihalogenated aromatic compounds may be, but not limited to, adjacent phenyl-dihalide, a phenyl-dihalide, to phenyl-dihalide, dihalo-
Acute pyogenic infection of nails benzene, dihalo naphthalene, methoxyl group phenyl-dihalide, dihalobiphenyl, phenyl-dihalide formic acid, dihalodiphenyl ether, dihalo
Diphenyl sulphone (DPS), dihalodiphenyl sulfoxide or dihalo benzophenone.Dihalogenated aromatic compounds can be individually or with their any group
Close and use.Concrete exemplary dihalogenated aromatic compounds can include, but not limited to paracide；M-dichlorobenzene；Adjacent dichloro
Benzene；2,5-dichlorotoleune；1,4-dibromobenzene；1,4-dichloronaphtalene；1-methoxyl group-2,5-dichloro-benzenes；4,4'-DCBP；3,5-
Dichlorobenzoic acid；4,4'-Dichlorodiphenyl ether；4,4'-dichloro diphenylsulfone；4,4'-dichloro-diphenyl sulfoxide；With 4,4'-bis-
Chloro benzophenone etc..Halogen atom can be fluorine, chlorine, bromine or iodine, and two halogen atoms in same dihalogenated aromatic compounds can
With identical or different from each other.In one embodiment, by o-dichlorohenzene, m-dichlorobenzene, paracide or they are two or more
The mixture planting compound uses as dihalogenated aromatic compounds.As it is known in the art, single halogen can also be applied in combination
For compound (being not necessarily aromatic compounds) and dihalo-aromatic compounds, for forming the end group of poly arylidene thio-ester or for regulating
Polyreaction and/or the molecular weight of poly arylidene thio-ester.
Poly arylidene thio-ester (one or more) can be homopolymer or copolymer.Such as, the selection of dihalogenated aromatic compounds
Property combination may result in the poly arylidene thio-ester copolymer containing the unit different no less than two kinds.Such as, when paracide it is and a dichloro
Benzene or 4, when 4'-dichloro diphenyl sulfone is applied in combination, can form the segment comprising the structure with following formula:
Segment with the structure with following formula:
Or there is the poly arylidene thio-ester copolymer of the segment of the structure of following formula:
Poly arylidene thio-ester (one or more) can be straight chain, half straight chain, side chain or crosslinking.Straight chain poly arylidene thio-ester generally wraps
Containing 80 moles of % or more repetitive (Ar S).Such linear polymer can also include a small amount of branching units or
Crosslink unit, but the amount of side chain or crosslink unit is typically smaller than about 1 mole of % of total monomer units of poly arylidene thio-ester.The poly-virtue of straight chain
Disulfide polymer can be block copolymer or the random copolymer comprising above-mentioned repetitive.Half straight chain poly arylidene thio-ester can be same
Sample has cross-linked structure or branched structure, by a small amount of one or more monomers with three or more reactive functional groups
Introduce polymer.By way of example, the monomer component for formation half straight chain poly arylidene thio-ester can include that each molecule has
A certain amount of polyhalo aromatic compounds of two or more halogenic substituents, it may be used for preparing branch polymer.This
The monomer of sample can be by formula R'XnRepresenting, the most each X is selected from chlorine, bromine and iodine, and n is the integer of 3 to 6, and R' be valency be that n is many
Valency aromatic group, it at most can have about 4 methyl substituents, and in R', the sum of carbon atom is 6 to about 16.May be used for shape
The each molecule becoming half straight chain poly arylidene thio-ester has some polyhalo aromatic compounds of two or more halogenic substituent
Example include 1,2,3-trichloro-benzenes, 1,2,4-trichloro-benzenes, 1,3-bis-chloro-5-bromobenzene, 1,2,4-triiodo-benzene, 1,2,3,5-tetrabromo
Benzene, Perchlorobenzene, 1,3,5-tri-chloro-2,4,6-trimethylbenzene, 2,2', 4,4'-tetrachloro biphenyl, 2,2', 5,5'-tetraiodo biphenyl, 2,
2', 6,6'-tetra-bromo-3,3', 5,5'-tetramethyl biphenyls, 1,2,3,4-Tetrachloronaphthalenes, 1,2,4-tri-bromo-6-methyl naphthalenes etc., and it
Mixture.
B. di-sulphide compounds
As it has been described above, di-sulphide compounds is used for polymer composition, it can experience during melt-processed
With the chain-breaking reaction of poly arylidene thio-ester, to reduce its overall melt viscosity.Di-sulphide compounds generally accounts for combination of polymers
About 0.01 weight %-about 3 weight % of thing, the most about 0.02% weight-about 1 weight %, and at some
About 0.05-about 0.5 weight % in embodiment.The amount of poly arylidene thio-ester with the ratio of the amount of di-sulphide compounds is equally
About 1000:1-about 10:1, about 500:1-about 20:1, or about 400:1-about 30:1.Suitably di-sulphide compounds usually tool
There is a those of the formula:
R3-S-S-R4
Wherein R3And R4Can be identical or different, and be the alkyl including about 20 carbon of 1-independently.Such as, R3And R4
Can be alkyl, cycloalkyl, aryl or heterocyclic radical.In certain embodiments, R3And R4The most non-reacted functional group,
Such as phenyl, naphthyl, ethyl, methyl, propyl group etc..The example of such compound include Diphenyl disulfide ether, naphthyl disulfide, two
Methyl disulfide, diethyl disulphide and dipropyl disulfide.R3And R4Can also be at the end (of di-sulphide compounds
Or multiple) include reactive functional groups.Such as, R3And R4In at least one can include terminal carboxyl group, hydroxyl, replacement or not
Substituted amino, nitro etc..The example of compound can include, but not limited to 2,2'-diamino-diphenyl disulfide, 3,3'-
Diamino-diphenyl disulfide, 4,4'-diamino-diphenyl disulfide, benzhydryl disulfide, dithio-salicylic acid (or 2,
2'-dithiobenzoic acid), dithiocarboxyl acetic acid, α, α '-dithio lactyl-lactic acid, β, β '-dithio lactyl-lactic acid, 3,3'-bis-sulfur
For pyridine, 4,4' dithiomorpholine, 2,2'-dithio double (benzothiazole), 2,2'-dithio double (benzimidazole), 2,2'-bis-
Thiobis (benzoAzoles), 2-(4'-morpholinodithio) benzothiazole etc., and their mixture.
C. inorfil
The inorfil used in this polymer composition has the cross-sectional dimension of relatively flat, and wherein they have
About 1.5-about 10, the most about 2-about 8, and the most about 3-about 5 flakiness ratio (the most transversal
Face width degree is divided by tranverse sectional thickness).Inorfil can such as have about 1-about 50 microns, and the most about 5-is about
50 microns, and the Nominal Width of the most about 10-about 35 microns.Described fiber can also have about 0.5-about
30 microns, the most about 1-about 20 microns, and the nominal of the most about 3-about 15 microns is thick
Degree.It addition, inorfil can have narrow distribution of sizes.The fiber of i.e., at least about 60 volume %, the most extremely
The fiber of few about 70 volume %, and in some embodiments, the fiber of at least about 80 volume % can have as mentioned above
In the range of width and/or thickness.In moulding part, it is micro-that the volume average length of this glass fibre can be about 10-about 500
Rice, the most about 100-about 400 microns, and the most about 150-about 350 microns.
Generally can use any various types of inorfil, as derive from following: glass；Silicic acid
Salt, as nesosilicate (neosilicate), sorosilicate (sorosilicate), inosilicate (such as, calcium inosilicate,
Such as wollastonite；Calcium and magnesium inosilicate, such as the tremolite；Ca, Mg and Fe inosilicate, such as Actinolitum；Magnesium iron chains silicate, dodges as straight
Stone；Deng), phyllosilicate (such as, aluminum phyllosilicate, such as Paligorskite), tectosilicate etc.；Sulfate, such as calcium sulfate (example
As, dehydration or anhydrous gypsum)；Mineral wool (such as, rock or mineral wool)；Deng.Glass fibre is particularly well-suited to the present invention, such as by
E-glass, A-glass, C-glass, D-glass, AR-glass, R-glass, S1-glass, S2-glass etc., and their mixture
Those formed.If so desired, glass fibre can be provided with sizing agent or other coatings as known in the art.
It should be understood that the inorfil of the relatively flat of the present invention can also be with other kinds of inorfil (example
As, circular fiber) it is applied in combination.When used in combination, the total amount of inorfil is usually about 15 weights of polymer composition
Amount %-about 70 weight %, the most about 25% weight-about 65 weight %, and the most about
40 weight %-about 60 weight %.
D. other components
Except poly arylidene thio-ester, di-sulphide compounds and inorfil, described polymer composition can also comprise various
Other different component, to help to improve its bulk property.In one embodiment, such as, polymer composition can wrap
Containing organo silane coupling agent to improve the engineering properties of moulding part further.When deployed, such organo silane coupling agent
Generally account for about 0.01 weight %-about 3 weight % of polymer composition, the most about 0.02% weight-about 1 weight
Amount %, and the most about 0.05-about 0.5 weight %.
This coupling agent can any alkoxy silane coupling agent the most as known in the art, such as vinyl alkoxy silicon
Alkane, epoxy radicals alkoxy silane, aminoalkoxysilane, mercaptoalkoxysilane, and combinations thereof.An enforcement
In scheme, such as, organic silane compound can have a below general formula:
R5-Si-(R6)3,
Wherein,
R5For sulfide base (such as ,-SH), comprise 1 to 10 carbon atom alkyl sulfur compounds base (such as, mercaptopropyi,
Mercaptoethyl, mercaptobutyl etc.), the thiazolinyl sulfide that comprises 2 to 10 carbon atoms, the alkynyl sulfur that comprises 2 to 10 carbon atoms
Compound, amino group (such as, NH2), comprise aminoalkyl (such as, amino methyl, amino-ethyl, the ammonia of 1 to 10 carbon atom
Base propyl group, aminobutyl etc.)；The aminoalkenyl comprising 2 to 10 carbon atoms, the aminoalkynyl etc. comprising 2 to 10 carbon atoms；
R6It is the alkoxyl of 1 to 10 carbon atom, such as methoxyl group, ethyoxyl, propoxyl group etc..
Can include that some representative example of organic silane compound in the mixture include mercaptopropyi front three
TMOS, Mercaptopropyltriethoxysilane, aminopropyltriethoxywerene werene, amino-ethyl triethoxysilane, amino
Propyl trimethoxy silicane, amino-ethyl trimethoxy silane, vinyltrimethoxy silane, VTES,
Acetenyl trimethoxy silane, acetenyl triethoxysilane, aminoethylaminopropyl trimethoxy silane, 3-aminopropyl
Triethoxysilane, 3-TSL 8330,3-amino propyl methyl dimethoxysilane or 3-aminopropyl first
Base diethoxy silane, N-(2-amino-ethyl)-3-TSL 8330, N-methyl-3-aminopropyl trimethoxy
Base silane, N-phenyl-3-TSL 8330, double (3-aminopropyl) tetramethoxy-silicane, double (3-aminopropan
Base) tetraethoxy disiloxane, gamma-amino propyl trimethoxy silicane, γ aminopropyltriethoxy silane, gamma-amino third
Ylmethyl dimethoxysilane, gamma-amino hydroxypropyl methyl diethoxy silane, N-(beta-aminoethyl)-gamma-amino propyl group front three
TMOS, N-phenyl-gamma-amino propyl trimethoxy silicane, γ-diallyl TSL 8330, γ-two
Allyl amino propyl trimethoxy silicane etc., and combinations thereof.Specially suitable organic silane compound is 3-amino
Propyl-triethoxysilicane and 3-mercaptopropyi trimethoxy silane.
The another kind of suitably additive that may be used for improving the engineering properties of compositions is impact modifying agent.Work as use
Time, impact modifying agent generally accounts for about 1 weight %-about 40 weight % of polymer composition, the most about 2 weights
Amount %-about 30 weight %, and the most about 3 weight %-about 25 weight %.The suitably reality of impact modifying agent
Example can include, such as, and polyepoxide, polyurethane, polybutadiene, acrylonitrile-butadiene-styrene (ABS), poly-silicon
Oxygen alkane, polyamide, block copolymer (such as, polyether-polyamide block copolymer) etc., and their mixture.
In a specific embodiment, impact modifying agent can include that each molecule comprises at least two oxirane ring
Polyepoxide.Polyepoxide can be straight or branched, comprises homopolymer or the copolymer (example of terminal epoxy groups
As, random, grafting, block etc.), skeletal oxirane unit and/or pendant epoxy radicals.For forming such polyepoxide
Monomer can be different.In a specific embodiment, such as, polyepoxide modifying agent comprises at least one epoxy official
(methyl) acrylic acid monomer component of energy.Term " (methyl) acrylic compounds " includes acrylic acid and methacrylic acid monomer, with
And salt or ester, such as acrylate/salt and methacrylate/salt monomer.The most epoxy functionalized (methyl) acrylic acid list
Body can include, but not limited to comprise 1, and those of 2-epoxide group are as sweet in glycidyl acrylate and Glycidyl methacrylate
Grease.Other suitable epoxide-functional monomer includes allyl glycidyl ether, glycidyl ethacrylate and itaconic acid
Ethylene oxidic ester.
If it is desire to, it is also possible to other monomer is used for polyepoxide to help the melt viscosity needed for realizing.This
A little monomers can be different, and include, such as, and ester monomer, (methyl) acrylic monomer, olefinic monomer, amide monomer etc..?
In one specific embodiment, such as, polyepoxide modifying agent includes at least one straight or branched 'alpha '-olefin monomers, as
There are 2 to 20 carbon atoms, and those of preferably 2 to 8 carbon atoms.Concrete example includes ethylene, propylene, 1-butylene；
3-methyl-1-butene；3,3-dimethyl-1-butylene；1-amylene；There is one or more methyl, ethyl or propyl substituent
1-amylene；There is the 1-hexene of one or more methyl, ethyl or propyl substituent；Have one or more methyl, ethyl or
The 1-heptene of propyl substituent；There is the 1-octene of one or more methyl, ethyl or propyl substituent；Have one or more
The 1-nonene of methyl, ethyl or propyl substituent；The substituted 1-decene of ethyl, methyl or dimethyl；1-dodecylene；With benzene second
Alkene.Being especially desired to alpha-olefin comonomer is ethylene and propylene.In the embodiment being especially desired to of the present invention, polycyclic aoxidizes
The copolymer that thing modifying agent is formed by epoxy functionalized (methyl) acrylic monomer component and alpha olefin monomers component.Such as,
This polyepoxide modifying agent can be poly-(ethylene co-methacrylic acid ethylene oxidic ester).May be used for the suitable of the present invention
An instantiation of polyepoxide modifying agent with titleAX8840 is commercially available from Arkema.AX8950 has the melt flow rate (MFR) of 5 grams/10 minutes, and the Glycidyl methacrylate with 8 weight % is sweet
Grease content of monomer.
In still another embodiment, impact modifying agent can include such block copolymer, at least one of which phase
By at room temperature hard but it is the material manufacture of fluid and another phase is at room temperature for elastomeric more flexible in heating
Material.Such as, the repetitive structure of A-B or the A-B-A block copolymer that block copolymer can have, wherein A represents stiff chain
Section, B is soft segment.The limiting examples of the impact modifying agent with the repetitive structure of A-B includes polyamide/polyethers, gathers
Sulfone/polydimethylsiloxane, polyurethane/polyester, polyurethane/polyethers, polyester and polyether, Merlon/polydimethylsiloxane and
Merlon/polyethers.Triblock copolymer equally comprises polystyrene as rigid segment and polybutadiene, poly-isoamyl two
Alkene or polyethylene-co-butylene are as soft segment.It is likewise possible to use the repetition copolymer of styrene-butadiene, and
Polystyrene/polyisoprene repeating polymer.In a specific embodiment, block copolymer can have polyamide with
The alternating block of polyethers.Such material is commercially available, such as with PebaxTMTrade name is sold by Atofina.Polyamide-block can
To derive from the copolymer of dibasic acid component and diamine components, maybe can be prepared by the homopolymerization of cyclic lactames.Polyethers is embedding
Section can derive from homopolymer or the copolymer of cyclic ethers (such as oxirane, expoxy propane and oxolane).
Particulate filler can be used in polymer composition.When deployed, particulate filler generally accounts for polymer composition
About 5 weight %-about 60 weight %, about 10 weight %-about 50 weight % in some embodiments, and in some embodiments
Middle about 15 weight %-about 45 weight %.Various types of particulate filler as known in the art can be used.Such as, clay pit
Thing can be particularly suitable for the present invention.The example of this type of clay mineral includes, such as, and Talcum (Mg3Si4O10(OH)2), Ai Luo
Stone (Al2Si2O5(OH)4), kaolinite (Al2Si2O5(OH)4), illite ((K, H3O)(Al,Mg,Fe)2(Si,Al)4O10
[(OH)2,(H2O)]), montmorillonite ((Na, Ca)0.33(Al,Mg)2Si4O10(OH)2·nH2O), Vermiculitum ((MgFe, Al)3(Al,
Si)4O10(OH)2·4H2O), Paligorskite ((Mg, Al)2Si4O10(OH)·4(H2O)), pyrophyllite (Al2Si4O10(OH)2) etc., with
And combinations thereof.Replacement or supplementary as clay mineral, it is also possible to use other mineral filler.For example, it is also possible to use
Other silicate fillers being suitable for, such as calcium silicates, aluminium silicate, Muscovitum, kieselguhr, wollastonite etc..Such as, Muscovitum can be special
Suitable mineral in the present invention.Exist, at geological occurrence (geologic occurrence) aspect, there is sizable difference
Different several chemically distinct but all there is the Muscovitum material of essentially identical crystal structure.As used herein, term " cloud
Female " refer to include any these materials following, such as white mica (KAl generically2(AlSi3)O10(OH)2), biotite (K
(Mg,Fe)3(AlSi3)O10(OH)2), phlogopite (KMg3(AlSi3)O10(OH)2), lepidolite (K (Li, Al)2-3(AlSi3)O10
(OH)2), glauconite ((K, Na) (Al, Mg, Fe)2(Si,Al)4O10(OH)2)) etc., and combinations thereof.
If desirable, it is possible to utilize nucleator, to further enhance the crystallographic property of compositions.Such nucleator
Example is Inorganic crystal compound, such as boron-containing compound (such as, boron nitride, sodium tetraborate, dipotassium tetraborate, calcium tetraborate
Deng), alkaline earth metal carbonate (such as, miemite), oxide (such as, titanium oxide, aluminium oxide, magnesium oxide, zinc oxide, three
Stibium oxide etc.), silicate (such as, Talcum, sodium silicate-aluminum, calcium silicates, magnesium silicate etc.), salt (such as, the carbonic acid of alkaline-earth metal
Calcium, calcium sulfate etc.) etc..Have been found that boron nitride (BN) is particularly advantageous in the polymer composition of the present invention time.
Boron nitride is with various different crystal forms (such as, h-BN-hexagon, c-BN-cube or sphalerite and w-BN-buergerite)
Form exists, and any of which is commonly used in the present invention.Hexagonal crystal form is because its stability and flexibility are special
It is suitable for.
Lubricant can also be can to stand the processing conditions (typically about 290 DEG C-about 320 DEG C) of poly-(virtue thioether) and not have
There is the polymer composition of significantly decomposition.Exemplary such lubricant includes fatty acid ester, their salt, ester, fat
Acid amide, organophosphorus ester and in the processing of engineering plastic materials, be typically used as the chloroflo type of lubricant, including they
Mixture.Suitably fatty acid is generally of the skeleton carbochain of about 60 carbon atoms of about 12-, such as myristic acid, Palmic acid, hard
Fat acid, arachidic acid, montanic acid, octadecanoid acid (octadecinic acid), parinaric acid (parinric acid) etc..
Suitably ester includes fatty acid ester, aliphatic alcohol ester, wax ester, glyceride, glycol ester and complex ester.Fatty acid amide includes fat
Primary amide, fat secondary amide, methylene and ethylene bisamides and alkanolamide, such as, palmitamide, stearic acid acyl
Amine, oleamide, N,N' ethylene bis stearmide etc..Equally suitable is the slaine of fatty acid, such as calcium stearate,
Zinc stearate, magnesium stearate etc.；Chloroflo, including paraffin, polyolefin and oxidized polyolefin waxes and microwax.Specially suitable lubrication
Agent is stearic acid, salt or amide, such as pentaerythritol tetrastearate, calcium stearate or N, N '-ethylenebis stearoyl
Amine.When deployed, lubricant (one or more) generally accounts for about 0.05 weight %-about 1.5 weight % of polymer composition, and
And the most about 0.1 weight %-about 0.5 weight %.
If so desired, other polymer can be used in polymer composition, for being applied in combination with poly arylidene thio-ester.When
During use, such other polymer generally accounts for about 0.1 weight %-about 30 weight % of polymer composition, and some are implemented
About 0.5 weight %-about 20 weight % in scheme, and the most about 1 weight %-about 10 weight %.Can make
With any various polymer, such as polyimides, polyamide, Polyetherimide, PAEK, polyester etc..Concrete at one
Embodiment in, it is possible to use liquid crystal polymer.Term " liquid crystal polymer " is commonly referred to as having club shaped structure
Polymer, described club shaped structure allows it to show liquid crystal behavior in its molten condition (such as, thermic nematic state).This polymer
Aromatic units (such as, aromatic polyester, the poly-stearmide of aromatics etc.) can be comprised, (such as, only comprise so that it is full aromatics
Aromatic units) or partially aromatic (such as, comprising aromatic units and other unit, such as cyclic aliphatic unit).In view of polymerizable mesogenic
Thing can have club shaped structure, and the crystallization behavior shown in its molten condition (such as, thermic nematic state), they usual quilts
It is categorized as " thermic ".Because TLCP forms melt state ordered phase, they can have relatively low shearing
Viscosity, serves as the flow promortor for poly arylidene thio-ester the most sometimes.This liquid crystal polymer can also contribute to improve further
Some engineering properties of polymer composition.
This liquid crystal polymer can be formed by the repetitive of one or more types as known in the art.Polymerizable mesogenic
Thing is permissible, such as, comprises the repetitive of one or more aromatic esters, and amount commonly is about 60 moles of %-about 99.9 of polymer
Mole about 99.5 moles of % of %, the most about 70 moles of %-, and the most about 80 rub
You are about 99 moles of % of %-.The example of the aromatic ester repetitive being suitable in the present invention can include, such as, and aromatics dicarboxyl
Acid repetitive, aromatic hydroxycarboxylic acids repetitive, and their various combinations.
It is, for example possible to use derive from the aromatic dicarboxylic acid repetitive of aromatic dicarboxylic acid, described aromatic dicarboxylic acid is such as
P-phthalic acid, phthalic acid, M-phthalic acid, 2,6 naphthalene dicarboxylic acid, diphenyl ether-4,4'-dicarboxylic acids, 1,6-naphthalene dicarboxyl
Acid, 2,7-naphthalene dicarboxylic acids, 4,4'-dicarboxylate biphenyl, double (4-carboxyl phenyl) ether, double (4-carboxyl phenyl) butane, double (4-carboxyl
Phenyl) ethane, double (3-carboxyl phenyl) ether, double (3-carboxyl phenyl) ethane etc., and their alkyl, alkoxyl, aryl and
Halogen substituents, and combinations thereof.Specially suitable aromatic dicarboxylic acid can include, such as, p-phthalic acid (" TA "),
M-phthalic acid (" IA ") and 2,6 naphthalene dicarboxylic acid (" NDA ").When deployed, derive from aromatic dicarboxylic acid (such as, IA, TA and/
Or NDA) repetitive generally account for about 50 moles of % of about 0.5 mole of %-of polymer, the most about 1 rubs
You are about 20 moles of % of about 30 moles of % of %-, the most about 5 moles of %-.
The aromatic hydroxycarboxylic acids repetitive deriving from aromatic hydroxycarboxylic acids, described aromatic hydroxycarboxylic acids example can also be used
As, 4-HBA；4-hydroxyl-4'-biphenyl carboxylic acids；2-hydroxyl-6-naphthoic acid；2-hydroxyl-5-naphthoic acid；3-hydroxyl-2-
Naphthoic acid；2-hydroxyl-3-naphthoic acid；4'-hydroxy phenyl-4 benzoic acid；3'-hydroxyphenyl-4 benzoic acid；4'-hydroxy phenyl-3-
Benzoic acid etc., and their alkyl, alkoxyl, aryl and halogen substituents, and combinations thereof.Specially suitable aromatics
Hydroxy carboxylic acid is 4-HBA (" HBA ") and 6-Hydroxy-2-naphthoic acid (" HNA ").When deployed, hydroxy carboxylic acid is derived from
The repetitive of (such as, HBA and/or HNA) generally accounts for about 85 moles of % of about 20 moles of %-of polymer, some embodiment party
About 80 moles of % of about 40 moles of %-in case, and about 75 moles of % of the most about 50 moles of %-.
Other repetitive can be used in polymer.In certain embodiments, it is, for example possible to use derive from
The repetitive of aromatic diol, described aromatic diol such as hydroquinone, resorcinol, 2,6-dihydroxy naphthlene, 2,7-dihydroxy
Naphthalene, 1,6-dihydroxy naphthlene, 4,4' dihydroxy diphenyl (or 4,4'-xenol), 3,3'-dihydroxybiphenyl, 3,4'-dihydroxy join
Benzene, 4,4'-dihydroxybiphenyl ether, double (4-hydroxy phenyl) ethane, 4,4'-dihydroxybiphenyl sulfone etc., and their alkyl, alkane
Epoxide, aryl and halogen substituents, and combinations thereof.Specially suitable aromatic diol can include, such as, and hydroquinone (" HQ ") and 4,
4'-xenol (" BP ").When deployed, the repetitive deriving from aromatic diol (such as, HQ and/or BP) generally accounts for polymer
About 30 moles of % of about 35 moles of % of about 1 mole of %-, the most about 2 moles of %-, with in some embodiments
Middle about 25 moles of % of about 5 moles of %-.Can also use and such as derive from following repetitive, aramid is (such as, to second
Acylamino-phenol (" APAP ")) and/or aromatic amine (such as, PAP (" AP "), 3-amino-phenol, Isosorbide-5-Nitrae-phenylenediamine, 1,3-
Phenylenediamine, 4,4'-benzidine sulfone etc.).When deployed, aramid (such as, APAP) and/or aromatic amine (example are derived from
Such as, AP) repetitive generally account for about 20 moles of % of about 0.1 mole of %-of polymer, the most about 0.5 rubs
You are about 15 moles of % of %-, and about 10 moles of % of the most about 1 mole of %-.Should also be understood that various
The repetitive of other monomer can be incorporated in polymer.Such as, in certain embodiments, described polymer can wrap
Containing deriving from one or more repetitives of non-aromatic monomer, such as aliphatic series or cycloaliphatic hydroxyl group carboxylic acid, dicarboxylic acids, glycol,
Amide, amine etc..Certainly, in other embodiments, non-aromatic (such as, aliphatic or alicyclic) monomer is derived from view of it lacks
Repetitive, this polymer can be " full aromatics ".
That adds for enhanced propertied and processability can be included other components in the composition and can include, example
As, antibacterial, pigment (such as, black pigment), antioxidant, stabilizer, surfactant, wax, flow improver additive, solid are molten
Agent, fire retardant and other material.
II. melt-processed
Combination poly arylidene thio-ester, di-sulphide compounds, inorganic glass fiber, and the mode of other optional additive can
With difference, as known in the art.For example, it is possible to simultaneously or sequentially melted by material supply to intermingling material dispersedly
Process equipment.Can also use in batches and/or continuous fusion process technology.Such as, mixer/kneader, Banbury mixing
Machine, Farrel continuous mixer, single screw extrusion machine, double screw extruder, roller mill etc. may be used for being blended and melt-processed
Material.A kind of specially suitable melt-processed equipment is that (such as, Leistritz corotating is complete for corotating double screw extruder
Extruding machine with two screw rods engaging).Such extruder can include charging and discharge port, and provides distribution and the dispersion of high intensity
Mixing.Such as, poly arylidene thio-ester, di-sulphide compounds and inorfil can be fed to the identical or different of double screw extruder
Charging port, melt blending is to form substantially uniform molten mixture.Under high shear/pressure and heat, can occur
Melt blending, fully dispersed to guarantee.Such as, melt-processed can occur at about 50 DEG C-about 500 DEG C, and implements at some
In scheme at a temperature of about 100 DEG C-about 250 DEG C.Similarly, the apparent shear rate during melt-processed can be about
100 seconds-1-about 10,000 seconds-1, and the most about 500 seconds-1-about 1500 seconds-1.It is, of course, also possible to control it
The time of staying (it is inversely proportional to processing speed) during its variable, such as melt-processed, to realize the uniform of expected degree.
If so desired, one or more distribution and/or dispersion mixings can be used in the mixing section of melt process unit
Element.Suitably distributed rendering machine can include, such as, and Saxon, Dulmage, Cavity Transfer mixer etc..With
Sample, suitable dispersing mixer can include Blister ring, Leroy/Maddock, CRD mixer etc..As being in the art
Known, this mixing can be by using pin to increase acutely degree further in bucket, such as extruding for Buss Kneader
Those in machine, Cavity Transfer mixer and VortexIntermeshing Pin mixer, described pin creates poly-
The folding of polymer melt and reorientation.Screw speed can also be controlled, to strengthen the characteristic of said composition.Such as screw speed
Can be about 400rpm or less, the most e.g., from about 200rpm-about 350rpm, or about 225rpm-about 325rpm
Speed.In one embodiment, compounding conditions can be balanced, in order to provides shock feature and the stretching showing improvement
The polymer composition of character.Such as, compounding conditions can include screw design, to provide gentle, medium or violent screw rod
Condition.Such as, system can have the screw design of the acutely degree of gentleness, and wherein screw rod has purport in the downstream half of screw rod
Melted in gentleness and that the melted homogenization one of distribution is single melted section.Medium violent screw design can feed at filler
Bucket upstream has higher melted section, and it increasingly focuses on higher dispersive element, is used for realizing molten homogeneous.Additionally, it
Can there is another softly mixing section downstream, with mixed fillers.This section, although more weak, the shearing that still can increase screw rod is strong
Degree, so that higher in its design overall more violent than gentleness.The most violent screw design can have the strongest cutting in three
Shearing stress.Main melted section can be made up of the long array of high degree of dispersion kneading block.Downstream mixing section can utilize distribution
With the mixing of strong dispersive element, to realize the dispersed of all types of filler.The shearing of the most violent screw design is strong
Degree can be more significantly higher than other two kinds designs.In one embodiment, system can wait until in including that violent screw rod sets
Meter, it has relatively mild screw speed (such as, about 200rpm-about 300rpm).
The mode no matter they are grouped together is how, it has been found by the inventor that this polymer composition
Can have relatively low melt viscosity, this makes it easily flow into die cavity during producing parts.Such as, this combination
Thing can have about 8000 pools or less, the most about 7000 pools or less, about 200-in some embodiments
About 6000 pools, about 500-about 5500 in some embodiments, and the most about 1, melting of 000-about 5,000 pool
Body viscosity, such as by capillary rheometer the temperature of about 310 DEG C and 1200 seconds-1Measure under shear rate.In particular, this
A little viscometric properties can allow said composition to be easily moulded to the parts with little yardstick.
As it has been described above, relatively high molecular weight poly arylidene thio-ester can be without difficulty by feeding extruder.Such as, such height
The poly arylidene thio-ester of molecular weight can have every mole about 14000 grams (" gram/mol ") or bigger, in some embodiments about 15,
000 gram/mol or bigger, and the most about 16000 grams/mol-about 60, the equal molecule of number of 000 gram/mol
Amount, and about 35,000 gram/mol or bigger, and the most about 50,000 gram/mol or bigger, and
In some embodiments about 60,000 gram/mol-about 90, the weight average molecular weight of 000 gram/mol, such as use gel infiltration color
Spectrometry mensuration as described below.Such heavy polymer was generally generally of low chlorine before and after melt-processed and contains
Amount.Such as, as it has been described above, described polymer composition can have about 1200ppm or less, in some embodiments about
900ppm or less, in some embodiments 0-about 600ppm, and the chlorine of the most about 1-about 500ppm
Content.
It addition, the crystallization temperature of polymer composition (before molding) can be about 250 DEG C or less, in some embodiments
Middle about 100 DEG C-about 245 DEG C, and the most about 150 DEG C-about 240 DEG C.The melt temperature of polymer composition
It is alternatively about 250 DEG C-about 320 DEG C, and the most about 260 DEG C-about 300 DEG C.Melt temperature and crystallization temperature
Differential scanning calorimetry can be used to measure according to ISO Test No. 11357 as known in the art.Even if such melted
At a temperature of, load deformation temperature (" DTUL ", it is, the measuring of short-term heat resistance) still can keep with the ratio of melt temperature
Relatively high.Such as, this proportion can be about 0.65-about 1.00, the most about 0.70-about 0.99, and
About 0.80-about 0.98 in some embodiments.Concrete DTUL value is it may be that such as, about 200 DEG C-about 300 DEG C, real at some
Execute about 230 DEG C-about 290 DEG C in scheme, and the most about 250 DEG C-about 280 DEG C.In particular, such height
DTUL value can allow to use the High-speed machining generally used in the manufacture process with small size tolerance parts.
Also find that the moulding part of gained has the engineering properties of excellence.Such as, it has been found by the present inventors that rushing of parts
Hit intensity can the inorfil of relatively flat of the application of the invention and significantly improve, it is useful when forming widget.Example
As, parts can have about 5 Kilojoule/square metre or bigger, the most about 8-about 40 Kilojoule/square metre,
And the most about 10-about 30 kilojoule/square metre Izod notch impact strength, it is according to ISO Test No.
180 (being technically equal to ASTM D256, method A) measured at 23 DEG C.The present inventors have additionally discovered that, although having low melt
Viscosity and high impact, stretch and bend engineering properties and be not adversely affected.Such as, moulding part can demonstrate about
20-about 500 MPas, the most about 50-about 400 MPas, and the most about 100-about 350,000,000
The hot strength of handkerchief；About 0.5% or or bigger, the most about 0.6%-about 10%, and some embodiment party
The break-draw strain of about 0.8%-about 3.5% in case；And/or about 3000 MPas-about 30,000 MPa, in some embodiments
Middle about 4000 MPas-about 25,000 MPa, and in some embodiments, the stretching of about 5000 MPas-about 22000 MPas
Modulus.Tensile property can measure at 23 DEG C according to ISO Test No. 527 (being technically equal to ASTM D638).Parts also may be used
To demonstrate about 20-about 500 MPas, the most about 50-about 400 MPas, and the most about
The flexural strength that 100-is about 350 MPas；About 0.5% or bigger, the most about 0.6%-about 10%, and one
The faulted flexure strain of about 0.8%-about 3.5% in a little embodiments；And/or about 3000 MPas-about 30,000 MPa, at some
In embodiment about 4000 MPas-about 25,000 MPa, and the most about 5000 MPas-about 22000 MPas
Flexural modulus.Flexural properties can measure at 23 DEG C according to ISO Test No. 178 (being technically equal to ASTM D790).Mould
Parts processed can also show relatively low degree of warpage, and this can be quantified by smooth angle value as described herein test.
More specifically, the smooth angle value of parts can be about 0.6 millimeter or less, the most about 0.4 millimeter or less, and
And the most about 0.01-about 0.2 millimeter.
III. mould
As previously discussed, polymer composition is molded into the parts for portable electric appts, such as housing.Permissible
Using various molding technique, such as injection mo(u)lding, compression forming, nanometer is molded, it is molded etc. to be coated with.Such as, such as this
In field known, injection mo(u)lding can carry out with two Main Stage-i.e., injection stage and keep the stage.In the stage of injection,
Die cavity is completely filled in melted polymer composition.The holding stage completes to start afterwards at injection stage, wherein, controls to keep
Pressure to be filled in cavity and to compensate in cooling procedure generation volume contraction by other material.After injection is set up, can be by
Its cooling.Once cool down, completed molding cycles and discharge member when opening mould, such as by the push rod in mould
Discharge.
The present invention generally can use any suitable injection-moulding device.With reference to Fig. 1, such as, it is shown that may be used for this
Injection molding apparatus in invention or the embodiment of instrument 10.In this embodiment, device 10 includes the first mold base 12
With the second mold base 14, what it together defined limits goods or the die cavity 16 of assembly.Device for molding 10 also includes from first
Half module 12 exterior outside surface 20 extends through the running channel 22 of die cavity 16.Resin flow passage can also include cast gate and grid, goes out
In simple purpose, the most do not show.Polymer composition can use various technology to supply to material resin flow passage.
Such as, polymer composition can be supplied and be connected to comprise the extruder barrel of rotary screw to (such as, with the form of pellet)
Feed hopper (not shown).Along with the rotation of screw rod, described pellet moves forward, and withstanding pressure and friction, and it produces heat
With melted pellet.Can also be by adding the thermal medium extra heat of supply with extruder barrel is in fluid communication.Can also use
One or more push rods 24, it is empty with the closed state lower limit fixed mold at device 10 in being slidably fixed to the second half module 14
Chamber 16.Push rod 24 operates to take out moulding part under the open mode of device 10 from cavity 16 in known manner.Also may be used
To provide cooling body to divide solidification resin at mold cavity.In FIG, such as, mold base 12 and 14 each includes one
Or multiple cooling line 18, cooling medium circulation supercooling line 18 thinks that the surface of mold base gives desired mold temperature, with
Solidification of molten material.Mold temperature can be about 50 DEG C-about 150 DEG C, the most about 60 DEG C-about 140 DEG C, and
The most about 70 DEG C-about 130 DEG C.
The molding technique no matter used, it has been found that the polymer composition of the present invention, it can have high stream
Unique combination of dynamic property, low chlorine content and good engineering properties, is particularly suitable for thin moulding part.Such as, should
The thickness that parts can have is about 100 millimeters or less, the most about 50 millimeters or less, implements at some
About 100 microns-about 10 millimeters in scheme, and the most about 200 microns-about 1 millimeter.If so desired, this gathers
Compound can also be combined with metal assembly or be laminated to metal assembly, to form composite construction.This can use various technology real
Existing, such as by polymer composition nanometer being molded to the part of metal parts or whole surface to form attachment
Resin component to it.Metal assembly can comprise any various different metal, such as aluminum, rustless steel, magnesium, nickel, chromium,
Copper, titanium and their alloy.Due to the character of its uniqueness, described polymer composition can be by the surface of metal assembly
In depression or hole and/or around flow and be attached to metal assembly.In order to improve adhesive force, metal assembly can optionally carry out pre-place
Reason, to increase degree and the surface area of surface indentation.This can use mechanical technique (such as, sandblasting, grinding, enlarging, punching
Hole, molding etc.), and/or chemical technology (such as, etching, anodic oxidation etc.) realize.Such as, for anodized metallization table
The technology in face is described in more detail in the United States Patent (USP) 7989079 of Lee et al..Except pretreating surface, this metal assembly is also
Can be close to but being below preheating at a temperature of the melt temperature of polymer composition.This can use various technology, such as, connect
Touch heating, radiating gas heating, infrared heating, convection current or Forced Convection Air heating, sense heat, microwave heating or they
Combination realize.Under any circumstance, polymer composition is usually injected into the mould comprising the optionally metal assembly of preheating.One
Denier is formed as desired shape, it is allowed to composite construction cools down so that resin Composition becomes to be firmly adhered to metal assembly.
As it has been described above, various equipment can use moulding part formed according to the present invention.A kind of such equipment is just
Taking formula electronic equipment, it can comprise framework or the housing including moulding part formed according to the present invention.Can be at its housing
In or use the example of portable electric appts of such moulding part to include as its housing, such as, cellular phone, just
Take formula computer (such as, laptop computer, netbook computer, tablet PC etc.), watch equipment, earphone and receiver to set
Standby, there is the media player of wireless communication ability, handheld computer (otherwise referred to as personal digital assistant), remote controller, complete
Ball alignment system (GPS) equipment, portable game equipment, camera module, integrated circuit (such as, SIM) etc..Portable wireless
Electronic equipment is specially suitable.The example of this equipment can include laptop computer or sometimes referred to as " super portable "
The small portable computer of type.In a kind of applicable layout, this portable electric appts can be that hand-held electronic sets
Standby.This equipment can also be the mixing apparatus of the function combinations by multiple conventional equipments.The example of mixing apparatus includes: include matchmaker
The cellular phone of body player function, include the game station of wireless communication ability, include game and e-mail function
Cellular phone, and receive Email, support mobile calls, there is music player functionality and supported web page browses
Handheld device.
With reference to Fig. 2-3, a specific embodiment of portable electric appts 100 is shown as portable computer.Should
Electronic equipment 100 includes display member 103, such as liquid crystal diode (LCD) display, Organic Light Emitting Diode (OLED) display
Device, plasma scope, or any other suitable display.In the embodiment shown, this equipment is laptop computer
Form, so display member 103 is rotatably connected to base component 106.It should be understood, however, that base component 106
It is optional, and can remove in other embodiments, such as when the form that equipment is flat board portable computer.Nothing
Opinion how, and in Fig. 2-3 in the embodiment of display, display member 103 and base component 106 each comprise housing 86 He respectively
88, for protecting and/or support a multiple assembly of work of this electronic equipment 100.The display screen that housing 86 can such as be supported
120 and base component 106 can include for various user's interface units (such as, keyboard, mouse and be connected to outside other
The connector of peripheral equipment) cavity and interface.Although not being explicitly illustrated, equipment 100 also can comprise in circuit, such as this area
Known, such as store, process circuit, and in-out box.Radio transceiver circuitry in circuit may be used for launch and
Receive radio frequency (RF) signal.Communication path, such as coaxial telecommunications path and micro-strip communication path may be used at antenna structure and
Signal is transmitted between circuit.Communication path can be, such as, is connected to RF transceiver (being sometimes referred to as radio) and multiband sky
Coaxial cable between line.
Although the moulding part of the present invention generally can use in any part of electronic equipment 100, but it is generally used
In formed housing 86 and/or 88 all or part of.When equipment is flat board portable computer, such as, housing 88 is permissible
Do not exist, and this polymer composition may be used for all or part of of formation housing 86.In any case, due to the present invention
The peculiar property realized, housing (one or more) or the parts of housing (one or more) can be molded as having very
Little thickness, the most within the above range.
Although above description is usually directed to portable electric appts, but it is to be understood that the combination of polymers of the present invention
Thing and/or moulding part can use in various types of product.Such as, polymer composition may be used for assembly
In, described assembly such as bearing, electric transducer, coil (such as, light beam (pencil), igniter etc.), fixture are (such as, soft
Pipe clamp), valve, capacitor, switch, electric connector, printer unit, pump (such as, gear pump, impeller of pump, pump case etc.), instrument
Plate, pipeline, flexible pipe etc..Polymer composition can also be used for being formed fiber, fleece, band, film, and other kinds of extrusion system
Product (if it is desire to).
The present invention is referred to the following example and may be better understood.
Method of testing
Molecular weight: sample can use Polymer Labs GPC-220 size exclusion chromatography instrument to be analyzed.This instrument
Can control by being arranged on accurate detector software in Dell computer system.Precision measurement software can be used to carry out light
The analysis of scattering data, and use the conventional gpc analysis that Polymer Labs Cirrus software carries out.GPC-220 can comprise
Three Polymer Labs PLgel 10 μm MIXED-B posts, operation chloronaphthalene, as solvent, is in 1 ml/min at 220 DEG C
The flow velocity of clock.This GPC can comprise three detectors: Precision measurement PD2040 (static light scattering)；Viscotek 220 difference
Viscometer；With Polymer Labs refractometer.For the molecular weight distribution of RI signal used and molecule quantitative analysis, this instrument
Device can use the calibration curve of one group of polystyrene standards and drafting to calibrate.
Melt viscosity: melt viscosity can measure and according to ISO Test No. 11443 as scanning shear viscosity characterization
(being technically equal to ASTM D3835) was at 1200 seconds-1Shear rate and the temperature of about 316 DEG C, use Dynisco 7001
Capillary rheometer determining.Flow graph aperture (mouth die) can have 1 millimeter diameter, 20 mm lengths, the L/D ratio of 20.1 and
The angle of incidence of 180 °.The diameter of cylinder can be 9.55 millimeters+0.005 millimeter, and a length of 233.4 millimeters of bar.
Stretch modulus, tensile stress and tensile elongation: tensile property (technically can be equal to according to ISO Test No. 527
In ASTM D638) test.Modulus and ionization meter can be to having the length of 80 millimeters, the thickness of 10 millimeters and 4 millimeters
The identical test strip sample of width is carried out.Test temperature can be 23 DEG C, and test speed can be 5 mm/min.
Flexural modulus, flexural stress and flexural strain: flexibility character (technically can be equal to according to ISO Test No. 178
In ASTM D790) test.This test can support at 64 millimeters and carry out in span.Test can be to uncut ISO
The core of 3167 utility rods is carried out.Test temperature can be 23 DEG C, and test speed can be 2 millis m/min.
Izod notch impact strength: breach Izod character (can technically be equal to ASTM according to ISO Test No. 180
D256, method A) test.This test can use notch type A to carry out.Sample can use monodentate milling machine from multipurpose
The heartcut of bar.Test temperature can be 23 DEG C.
Load deformation temperature (" DTUL "): load deformation temperature (technically can be equal to according to ISO Test No. 75-2
ASTM D648-07) measure.The test galley proof with the width of the length of 80 millimeters, the thickness of 10 millimeters and 4 millimeters can be made
Product stand along edge three-point bend test, and wherein rated load (maximum outer fiber stress) is 1.8 MPas.Sample can be lowered
To silicone oil bath, wherein temperature can be with 2 DEG C of risings per minute, until its deformation 0.25 millimeter (is for ISO Test No. 75-2
0.32 millimeter).
Chlorinity: chlorinity can measure with chromatography of ions elementary analysis subsequently according to using the burning of Paar bullet.
Smooth angle value: the value of (80 millimeters × 80 millimeters) flatness of sample can use OGP Smartscope Quest
300 optical measuring systems measure.XYZ measurement may span across sample with corresponding to x, y of 5,22.5,50,57.5 and 75 millimeters
Position starts.Z value can be with normalization so that minimum z value corresponding to 0 height.Smooth angle value can be as 25 normalization
The mean value calculation of z value.For each test, five (5) individual samples can be measured.
Embodiment 1
Component listed in following table 1 is nibbled in Werner Pfleiderer ZSK 25 corotating of diameter 25 millimeters
Close in double screw extruder and mix.
Table 1
It is (generous purchased from the circular glass fiber of Owens Corning with title 910A-10C that name " glass fibre 1 " refers to
Ratio is 1), and name " glass fibre 2 " to refer to be purchased from smooth, the staple glass of Nittobo with title CSG 3PA-830S
Fibre bundle (flakiness ratio is 4).The content of ashes of test extrusion pellet and viscosity.Result is provided in table 2.
Table 2
| Sample number | 1 | 2 | 3 | 4 |
| Ash % | 40 | 50 | 40 | 50 |
| Melt viscosity (pool, 316 DEG C) | 3700 | 4700 | 2900 | 3700 |
Also by pellet injection mo(u)lding on Mannesmann Demag D100NCIII injection machine, and it is special to test some physics
Property, such as provide in following table 3.
Table 3
| Sample number | 1 | 2 | 3 | 4 |
| Type of glass | Circular | Circular | Smooth | Smooth |
| Stretch modulus (MPa) | 15100 | 19500 | 15400 | 20000 |
| Tensile stress (MPa) | 175 | 176 | 178 | 180 |
| Tensile elongation (%) | 1.7 | 1.3 | 1.6 | 1.2 |
| Flexural modulus 23 DEG C (MPa) | 14650 | 18900 | 15100 | 19300 |
| Flexural stress (MPa) | 250 | 260 | 258 | 280 |
| Flexural strain (%) | 1.9 | 1.5 | 1.9 | 1.6 |
| Izod notch impact strength (kilojoule/square metre) | 8 | 9 | 11 | 14 |
| Smooth angle value (millimeter) | 0.41 | 0.87 | 0.43 | 0.38 |
Pointed by as above in table, sample 3 and 4, it comprises di-sulphide compounds (DTBA) and smooth glass fibre
Both, compared to only comprising the sample 1-2 of circular glass fiber, which improve mobility, rigidity and toughness.Sample 3 and 4 also has
Having low warpage, it is shown by the value of relatively low flatness.
Embodiment 2
Component listed in table 4 below engages in the Werner Pfleiderer ZSK25 corotating of diameter 25 millimeters
Double screw extruder mixes.
Table 4
The viscosity of sample 5,6 and 7 is 2349 pools, 2604 pools and 1231 pools respectively.
The amendment of these and other of the present invention and modification can be implemented by those skilled in the art, without deviating from this
Bright spirit and scope.However, it should be understood that the aspect of various embodiments can be exchanged in whole or in part.Additionally,
Those skilled in the art are it will be appreciated that description above the most by way of example, and is not intended to limit appended
The present invention further described in claims.
Claims (20)
1. comprise poly arylidene thio-ester, di-sulphide compounds and there is the polymer group of inorfil of flakiness ratio of about 1.5-about 10
Compound, wherein, described flakiness ratio is defined as the cross-sectional width tranverse sectional thickness divided by fiber of fiber.
Polymer composition the most according to claim 1, wherein said poly arylidene thio-ester is straight chain polyphenylene sulfide.
Polymer composition the most according to claim 1 and 2, wherein said inorfil accounts for described polymer composition
About 15 weight %-about 70 weight %.
4., according to polymer composition in any one of the preceding claims wherein, wherein said poly arylidene thio-ester accounts for described polymer
About 25 weight %-about 95 weight % of compositions and di-sulphide compounds account for about 0.01 weight of described polymer composition
Amount %-about 3 weight %.
5., according to polymer composition in any one of the preceding claims wherein, wherein said inorfil has about 1-about 50
The width of micron and the thickness of about 0.5-about 30 microns.
6. according to polymer composition in any one of the preceding claims wherein, wherein, exist according to ISO Test No. 11443
1200 seconds-1Shear rate under and be about 8000 pools or less in the melt viscosity of the compositions of the temperature measuring of 316 DEG C.
7., according to polymer composition in any one of the preceding claims wherein, wherein said polymer composition has about
The chlorinity of 1200 parts/million parts.
8., according to polymer composition in any one of the preceding claims wherein, wherein said inorfil is glass fibre.
9., according to the polymer composition according to any one of described in aforementioned claim, wherein said di-sulphide compounds is
Diphenylsulfide, diamino-diphenyl disulfide, 3,3'-diamino-diphenyl disulfide, 4,4 '-diamino-diphenyl two sulfur
Ether, benzyldithio toluene, 2,2'-dithiobenzoic acid, dithioglycollic acid, α, α '-dithio lactyl-lactic acid, β, β '-dithio
Lactyl-lactic acid, 3,3'-bis-sulfur two pyridine, 4,4' dithiomorpholine, 2,2'-dithio double (benzothiazole), 2,2'-dithio pair
Double (the benzo of (benzimidazole), 2,2'-dithioAzoles), 2-(4'-morpholinodithio) benzothiazole, or combinations thereof.
10., according to polymer composition in any one of the preceding claims wherein, it further includes organic silane compound.
11. according to polymer composition in any one of the preceding claims wherein, and it comprises impact modifying agent, liquid crystal further
Polymer or combinations thereof.
12. moulding parts, it comprises polymer composition in any one of the preceding claims wherein.
13. moulding parts according to claim 12, wherein, described parts have about 5 Kilojoule/square metre or bigger
The Izod notch impact strength measured at a temperature of 23 DEG C according to ISO Test No. 180.
14. according to the moulding part described in claim 12 or 13, and wherein, described parts have about 0.6 millimeter or less putting down
The value of smooth degree.
15. according to the moulding part according to any one of claim 12 to 14, and wherein said parts have about 100 millimeters or more
Little thickness.
16. is injection mo(u)lding according to the moulding part according to any one of claim 12 to 15, wherein said parts.
17. portable electric appts, it includes according to the moulding part according to any one of claim 12 to 16.
18. portable electric appts according to claim 17, wherein said equipment comprises housing, and described housing includes institute
State moulding part.
19. according to the portable electric appts described in claim 17 or 18, and wherein said equipment is cellular phone, portable
Computer, watch equipment, earphone or receiver device, there is the media player of wireless communication ability, handheld computer, remote control
Device, global positioning system, handheld gaming devices, camera module, or combinations thereof.
20. according to the portable electric appts described in claim 17 or 18, and wherein said equipment is laptop computer, flat board
Computer or cellular phone.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461938222P | 2014-02-11 | 2014-02-11 | |
| US61/938,222 | 2014-02-11 | ||
| PCT/US2014/063414 WO2015122942A1 (en) | 2014-02-11 | 2014-10-31 | Molded part for use in a portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105980481A true CN105980481A (en) | 2016-09-28 |
Family
ID=51901012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480075301.9A Pending CN105980481A (en) | 2014-02-11 | 2014-10-31 | Molded part for use in a portable electronic device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150225547A1 (en) |
| CN (1) | CN105980481A (en) |
| TW (1) | TWI653292B (en) |
| WO (1) | WO2015122942A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060050A1 (en) * | 2022-09-21 | 2024-03-28 | Ticona Llc | Projector for use in a head-mounted display system |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10407605B2 (en) | 2015-07-31 | 2019-09-10 | Ticona Llc | Thermally conductive polymer composition |
| US9862809B2 (en) | 2015-07-31 | 2018-01-09 | Ticona Llc | Camera module |
| TWI708806B (en) | 2015-08-17 | 2020-11-01 | 美商堤康那責任有限公司 | Liquid crystalline polymer composition for camera modules |
| WO2017100395A1 (en) | 2015-12-11 | 2017-06-15 | Ticona Llc | Crosslinkable polyarylene sulfide composition |
| CN108368339A (en) | 2015-12-11 | 2018-08-03 | 提克纳有限责任公司 | Polyarylene sulfide composition |
| US11352480B2 (en) * | 2016-03-18 | 2022-06-07 | Ticona Llc | Polyaryletherketone composition |
| WO2017161534A1 (en) * | 2016-03-24 | 2017-09-28 | Ticona Llc | Composite structure |
| US20190031879A1 (en) * | 2016-03-24 | 2019-01-31 | Ticona Llc | Polyarylene Sulfide Composition with Improved Adhesion to Metal Components |
| JP7152405B2 (en) | 2017-01-24 | 2022-10-12 | ティコナ・エルエルシー | Battery modules for electric transportation equipment |
| US10633535B2 (en) | 2017-02-06 | 2020-04-28 | Ticona Llc | Polyester polymer compositions |
| JP6926729B2 (en) * | 2017-06-30 | 2021-08-25 | 東ソー株式会社 | Polyarylene sulfide composition |
| US11384238B2 (en) | 2018-02-08 | 2022-07-12 | Celanese Sales Germany Gmbh | Polymer composite containing recycled carbon fibers |
| WO2019164723A1 (en) | 2018-02-20 | 2019-08-29 | Ticona Llc | Thermally conductive polymer composition |
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| US440140A (en) * | 1890-11-11 | Dress-stay | ||
| US4645826A (en) * | 1984-06-20 | 1987-02-24 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for production of high to ultra-high molecular weight linear polyarylenesulfides |
| US4820801A (en) * | 1985-11-02 | 1989-04-11 | Tosoh Corp. | Polyphenylene sulfide containing covalently bonded chlorine in a reduced amount |
| JPS62268612A (en) * | 1986-05-19 | 1987-11-21 | Nitto Boseki Co Ltd | Glass-fiber reinforced resin molded form |
| US4820810A (en) * | 1986-10-30 | 1989-04-11 | Arco Chemical Technology, Inc. | Urea catalyst for preparation of sucrose polyols useful for rigid polyurethane foams |
| US5070127A (en) * | 1989-07-07 | 1991-12-03 | Hoechst Celanese Corporation | Impact modified polyphenylene sulfide |
| DE69222997T2 (en) * | 1991-08-06 | 1998-04-30 | Tosoh Corp | Process for the preparation of polyarylene sulfide |
| DE4138907A1 (en) * | 1991-11-27 | 1993-06-03 | Bayer Ag | Polyphenylene sulphide resin with lower melt viscosity - prepd. by fusing polymer with minor amt. of bis:benzothiazolyl- bis:benzimidazolyl-, di:phenyl-, di:pyridyl- or di:alkyl- di:sulphide (or deriv.) |
| US7605221B2 (en) * | 1999-05-18 | 2009-10-20 | Sabic Innovative Plastics Ip B.V. | Weatherable, thermostable polymers having improved flow composition |
| US20090297848A1 (en) * | 2006-02-06 | 2009-12-03 | Hirotaka Itoh | Pellet containing flat glass fibers, molded thermoplastic resin containing flat glass fibers, and processes for producing these |
| ES2324237T3 (en) * | 2006-12-28 | 2009-08-03 | Ems-Chemie Ag | POLYAMIDE MOLDING COMPOUNDS REINFORCED WITH FLAT GLASS FIBERS AS WELL AS INJECTION MOLDED PIECES MANUFACTURED FROM THE SAME. |
| JP5378992B2 (en) * | 2007-04-20 | 2013-12-25 | 出光興産株式会社 | Resin composition for electronic tag sealing, resin-encapsulated electronic tag, and method for producing the same |
| JP2010043229A (en) * | 2008-08-18 | 2010-02-25 | Idemitsu Kosan Co Ltd | Thermally conductive resin composition and resin molding of the composition |
| EP2402397A3 (en) * | 2010-06-11 | 2012-08-15 | Ticona LLC | Blow molded articles and process for making same |
| US9365718B2 (en) * | 2011-09-20 | 2016-06-14 | Ticona Llc | Low chlorine fiber filled melt processed polyarylene sulfide composition |
| WO2013052269A2 (en) * | 2011-09-20 | 2013-04-11 | Ticona Llc | Housing for a portable electronic device |
-
2014
- 2014-10-29 US US14/526,571 patent/US20150225547A1/en not_active Abandoned
- 2014-10-31 WO PCT/US2014/063414 patent/WO2015122942A1/en active Application Filing
- 2014-10-31 CN CN201480075301.9A patent/CN105980481A/en active Pending
- 2014-11-07 TW TW103138827A patent/TWI653292B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024060050A1 (en) * | 2022-09-21 | 2024-03-28 | Ticona Llc | Projector for use in a head-mounted display system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015122942A1 (en) | 2015-08-20 |
| US20150225547A1 (en) | 2015-08-13 |
| TWI653292B (en) | 2019-03-11 |
| TW201534658A (en) | 2015-09-16 |
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